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Adeos 2

Advanced Earth Observing Satellite, also called Midori 2


Designation 27597 / 02056A
Launch date 14 Dec 2002
Country of origin Japan
Operator NASDA
Mission Remote sensing
Perigee/Apogee 803 km (sun synchronous)
Inclination 98.7°
Period 101 min
Cycle 41 days
Launch vehicle H2A #11

Cost: $570 million.

End of life

Out of service 24 Oct 2003
Cause solar power failure

The satellite collected 7 months of Polder data. The Argos-next payload operated for only 6 months.

External resources


sat-index articles

Technical data


Prime contractor Mitsubishi
Mass at launch 3680 kg
Mass in orbit  
Payload pass 1230 kg
Dimension 4 x 4 x 6 m
Solar array 3 x 24 m
Stabilization 3-axis
DC power BOL: 6200 W
EOL: 5350 W
Design lifetime 3 years

Downlink: 465.9875 or 468.875 MHz (EIRP > 27.1 dBm)
Uplink: 401.65 MHz


Global Imager (GLI): observes solar radiation reflected from Earth surface. 23 visible + near-IR and 13 far-IR channels. 1 km resolution.
Advanced Microwave Scanning Radiometer (AMSR): 8 frequency bands covering 6.9 to 89 GHz.

Improved Limb Atmospheric Spectrometer (ILAS 2): maps distribution of gases in the stratosphere
Polarization and Directionality of the Earth's reflectances (POLDER): measures the reflection of solar light by aerosols, clouds, oceans and land surfaces.
Seawinds: scatterometer that monitors wind speed and direction. 2 m/s accuracy.

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